.m-bg
  width 100%
  height 100%
  background #496fa9
  position relative
  .logo
    position absolute
    top 30px
    left 80px
    .img
      float left
      width 55px
      height 59px
      background url('../image/logo.png') no-repeat
      background-size 100%
    .right
      margin-left 78px
      .title
        font-size 24px
        line-height 36px
        letter-spacing 0.6px
        color #ffffff
      .desc 
        font-size 16px
        letter-spacing -0.4px
        color #b5bcc5
  .body
    width 410px
    height 426px
    background-color rgba(255, 255, 255, 1) 
    position absolute
    top 50%
    left 50%
    margin-top -213px
    margin-left -205px       
    .title
      height 64px
      background-color rgba(83, 131, 215, 1)
      line-height 64px
      padding-left 49px
      font-size 20px
      letter-spacing 1px
      color #ffffff
    .user
      margin-top 34px
      padding 0 50px
      &.active
        input
          border solid 1px rgba(245, 49, 49, 1)
        .hint
          visibility visible
      input
        width 100%
        height 44px
        border solid 1px rgba(205, 209, 213, 1)
        background url('../image/user.png') no-repeat
        background-size 14px 15px
        background-position 11px 15px
        border-radius 5px
        text-indent 37px
        outline none 
      .hint
        visibility hidden
        font-size 12px
        color #f53333
        margin-top 9px
        background url('../image/hint.png') no-repeat
        text-indent 28px
    .password
      margin-top 25px
      padding 0 50px
      &.active
        input
          border solid 1px rgba(245, 49, 49, 1)
        .hint
          visibility visible
      input
        height 44px
        width 100%
        border solid 1px rgba(205, 209, 213, 1)
        background url('../image/lock.png') no-repeat
        background-size 14px 15px
        background-position 11px 15px
        border-radius 3px
        text-indent 37px
        outline none 
      .hint
        visibility hidden
        font-size 12px
        color #f53333
        margin-top 9px
        background url('../image/hint.png') no-repeat
        text-indent 28px
    .sure
      margin 49px 50px 0
      height 44px
      background-color rgba(78, 133, 215, 1)
      text-align center
      line-height 44px
      font-size 16px
      color #ffffff
      border-radius 5px
      cursor pointer